Tool Steel Rectangle Bar O1 offers excellent dimensional stability during heat treatment, and otherwise decent attributes. O1 is an oil-hardening, general purpose tool steel. While not as strong or wear resistant as A-2 or D-2, it experiences significantly less distortion during the heat treating process. It is typically used in rolls, punches, shear knives, food processing knives, and gauges.

MTR MTR Available
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Product Information

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Please note:

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Please note that this data is to be used ONLY FOR REFERENCE, NOT FOR DESIGN, and by using it,you agree that any decisions you make regarding materials for your project are at your own discretion.
Metal Type
Tool Steel
Shape
Bar-Rectangle
Yes
Eniteo Vendor ID
3145
Custom Cut Warehouse
0
Thickness
0.25
Width
6
Max Length
36
Alloy
O1
Production Method
Precision Ground
Weight/Lineal Foot
5.11 pounds
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Mechanical Properties

Density g/cm^3
8
Ultimate Tensile Strength KSI
105
Elongation % in 2 in.
20
Melting Point °F
2580 - 2660
Yield Tensile Strength KSI
58
Brinell Hardness 3000 kg load
177 - 212
Rockwell Hardness B Scale
88 - 95
Shear Strength KSI
58
Machinability %
95
Electrical Conductivity % IACS
7
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Chemistry Information : O1 Tool Steel

Element
Percentage
Element
Percentage
Element
Percentage
C
0.94
Fe
96.56
Cr
0.5
Mn
1.2
Si
0.3
W
0.5

This product is a precision ground rectangle bar made from O1 tool steel alloy, measuring 0.25 inches thick by 6 inches wide, with a maximum length of 36 inches. It offers excellent dimensional stability during heat treatment and has a density of 8.

Yes, the bar is available in cut lengths of 18 and 36 inches, with no custom cut warehouse stock. You can select the desired length when ordering.

O1 tool steel offers good dimensional stability and machinability (rated 95) but is not as strong or wear resistant as A-2 or D-2 steels. It is ideal for rolls, punches, shear knives, food processing knives, and gauges where less distortion during heat treating is important.

The product is in stock with two length options: 18 inches weighing approximately 7.65 lbs and 36 inches weighing about 15.3 lbs. Both options are available for immediate shipment.

Yes, MTR reports are available for this product to verify its chemical and mechanical properties.

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